Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 397 · 40 questions

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

1. 1.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) a thin water stream
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a plastic comb (d) tiny paper bits
3. 3.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
4. 4.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) puffed rice
5. 5.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) a battery cell (d) turmeric powder
6. 6.True or false: dry hair is not needed for the static comb. (a) False (b) True
7. 7.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) distance to the paper (c) number of rubs (d) paper bits picked up
11. 11.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) a magnet
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) dry hair
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a battery cell (d) tiny paper bits
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
17. 17.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
19. 19.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
20. 20.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) tiny paper bits (d) a thin water stream
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) number of rubs (c) the same hair (d) paper bits picked up
22. 22.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
24. 24.True or false: a plastic comb is needed for the static comb. (a) True (b) False
25. 25.🧺 Which of these is not needed for the static comb? (a) vinegar (b) dry hair (c) a plastic comb (d) a balloon
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
27. 27.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
29. 29.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
30. 30.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) a plastic comb (d) a balloon
31. 31.True or false: a pebble does not move to a charged comb. (a) False (b) True
32. 32.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
33. 33.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a heavy book (d) tiny paper bits
34. 34.True or false: a battery cell is needed for the static comb. (a) False (b) True
35. 35.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
36. 36.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) a balloon
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) dry hair
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
40. 40.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed

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